Date: August 27, 2018 Compiler: Joyce Takamine e-mail: RBA AT cobirds.org This is the Rare Bird Alert for Monday, August 27 sponsored by Denver Field Ornithologists and the Bird Conservancy of the Rockies.
Note that the RBA is using the new AOU checklist. Rare and out of range species for the last seven days include: (*indicates new information on this species) Greater White-fronted Goose (Larimer) Cackling Goose (*Summit) Trumpeter Swan (*Archuleta) Tundra Swan (Prowers) Wood Duck (Gunnison) Redhead (Douglas) Lesser Scaup (Kiowa) Bufflehead (Boulder) Common Goldeneye (*Chaffee) Horned Grebe (Washington) Greater Roadrunner (Otero) LESSER NIGHTHAWK (*Kit Carson) White-throated Swift (Kiowa) Black-necked Stilt (*Arapahoe) Black-belllied Plover (Washington) Upland Sandpiper (Otero) Long-billed Curlew (*Washington) Marbled Godwit (*Kiowa, Larimer, Washington) RED KNOT (*Washington) Stilt Sandpiper (*Washington, Weld) Sanderling (Washington) White-rumped Sandpiper (Prowers) Buff-breasted Sandpiper (Adams, Washington) Pectoral Sandpiper (*Washington) Semipalmated Sandpiper (*Park) Western Sandpiper (Arapahoe) Short-billed Dowitcher (Kiowa) Solitary Sandpiper (El Paso, Gunnison) Lesser Yellowlegs (Weld) Willet (La Plata) Greater Yellowlegs (Weld) Red-necked Phalarope (Jefferson) Herring Gull (Boulder, *Washington) Lesser Black-backed Gull (Kiowa, *Larimer, Weld) Caspian Tern (Larimer, Washington) Black Tern (*Washington) Common Tern (Washington) NEOTROPIC CORMORANT (Kiowa) American Bittern (Saguache) Great Egret (Saguache, San Miguel) Snowy Egret (Saguache) Cattle Egret (Saguache) Green Heron (*Denver) Black-crowned Night-Heron (Montezuma) YELLOW-CROWNED NIGHT-HERON (*Yuma) Glossy Ibis (*Adams) White-faced Ibis (Huerfano, Routt) Mississippi Kite (El Paso, Otero) Lewis’s Woodpecker (*Archuleta) Red-headed Woodpecker (Kiowa, Kit Carson, Logan, Otero, Pueblo, Washington, Yuma) Williamson’s Sapsucker (Custer) Ladder-backed Woodpecker (*El Paso, Otero, Pueblo) Hairy Woodpecker (Washington) Merlin (*Larimer, Washington) Olive-sided Flycatcher (*El Paso, Pueblo) YELLOW-BELLIED FLYCATCHER (Kit Carson) Willow Flycatcher (*Adams, El Paso, Kiowa, *Larimer, Logan, Pueblo) Least Flycatcher (*El Paso, Kiowa, Kit Carson, Pueblo) Hammond’s Flycatcher (*Adams, *El Paso) Gray Flycatcher (Broomfield, El Paso, *Larimer) Dusky Flycatcher (*Adams, *El Paso, *Larimer, Otero, Pueblo) Cordilleran Flycatcher (Logan, Mesa) Black Phoebe (Mesa, Montrose) Eastern Phoebe (Boulder, Custer, Kiowa, Otero) Vermilion Flycatcher (Otero) Great Crested Flycatcher (Kiowa, Yuma) Cassin’s Kingbird (*El Paso, Otero) Eastern Kingbird (La Plata, Pitkin, San Miguel) Cassin’s Vireo (*El Paso, Pueblo) Philadelphia Vireo (Kit Carson) Warbling Vireo (Eastern) (Kit Carson) Red-eyed Vireo (Adams, *El PaSo, Kiowa, *La Plata, Larimer, Washington) Pinyon Jay (Custer, Montrose) Woodhouse’s Scrub-Jay (*Denver, *El Paso, La Plata, Larimer, Mesa, Montrose, Otero) Chihuahuan Raven (Otero) Purple Martin (*Routt, Saguache) Mountain Chickadee (*El Paso) Bushtit (*Adams, *El Paso, Huerfano, Montrose) Rock Wren (Conejos) Marsh Wren (Arapahoe, Saguache, Weld) Carolina Wren (Kiowa) Blue-gray Gnatcatcher (Custer, *El Paso, Kiowa, Larimer, Logan, Mesa, Montrose, Otero, Pueblo, Washington) Eastern Bluebird (Otero) Curve-billed Thrasher (*El Paso, Otero, Pueblo) Brown Thrasher (*El Paso) Sage Thrasher (*El Paso) Red Crossbill (Custer, Larimer) Pine Siskin (Arapahoe) Rufous-crowned Sparrow (Otero) Clay-colored Sparrow (Chaffee, Custer, El Paso, Kiowa, Otero, Saguache, Yuma) Field Sparrow (Yuma) Black-throated Sparrow (Otero) Sagebrush Sparrow (Conejos) Yellow-breasted Chat (Kiowa) Baltimore Oriole (*Prowers) Northern Waterthrush (El Paso, *La Plata) Black-and-white Warbler (Pueblo) Prothonotary Warbler (Chaffee) Orange-crowned Warbler Custer) Virginia’s Warbler (Park, San Juan) American Redstart (Adams, El Paso) Northern Parula (*Clear Creek) Blackburnian Warbler (*Yuma) Chestnut-sided Warbler (Weld) Black-throated Gray Warbler (El Paso) Townsend’s Warbler (*Adams, Boulder, *El Paso, *Larimer, Pueblo) CANADA WARBLER (*El Paso) Hepatic Tanager (Otero) Summer Tanager (Otero) Northern Cardinal (*Yuma) Indigo Bunting (Montrose, Otero) Painted Bunting (Otero) ADAMS COUNTY: ---On August 24 at Lowell Ponds (Clear Creek Valley Park), Tyler Wilson reported 9 Bushtits. On August 25 at Lowell Ponds (Clear Creek Valley Park),Tyler Wilson and Alicia Arnold reported Buff-breasted Sandpiper near path SE of parking area. ---On August 25 at Barr Lake banding station, Meredith McBurney reported Red-eyed Vireo, 3 Townsend’s Warbler, and American Redstart. On August 26 at Barr Lake Banding Station Area, Steve Rash reported Glossy Ibis and Townsend’s Warbler. ---On August 26 at Rocky Mountain Arsenal NWR, Felice Lyons and Bez Bezuidenhout reported 5 Bushtits, Dusky Flycatcher, Willow Flycatcher, and Hammond’s Flycatcher. ARAPAHOE COUNTY: ---On August 21 at Cherry Creek SP, Pelican Point area, Ben Sampson reported Western Sandpipers. ---On August 22 at S Platte River—Northern Wildlife Area to West Bowles Aves, Brian Johnson reported f Hooded Merganser. ---On August 23 at Littleton Cemetery, David Suddjian reported 4 Pine Siskin. ---On August 26 at Cherry Creek SW, Cynthia Madsen reported 2 Black-necked Stilt. ARCHULETA COUNTY: ---On August 26 in Pagosa Springs, Ben Bailey reported Trumpeter Swan and 2 Lewis’s Woodpeckers. BOULDER COUNTY: ---On August 21 at Little Gaynor Lake in Boulder, Dean Shoup reported Bufflehead. ---On August 25 at Boulder Reservoir Complex, Peter Burke reported Herring Gull. ---On August 25 at Golden Ponds Park and NA, Longmont, Luke Pheneger reported 3 Eastern Phoebe, Townsend’s Warbler. BROOMFIELD COUNTY: ---On August 22 at W 134th Place, Matt Hofeditz reported Gray Flycatcher. On August 24 at W 134th Place (Neighborhood), Matt Hofeditz reported Gray Flycatcher. CHAFFEE COUNTY: ---On August 23 at 7410 CR 150 in Salida, Diane Roberts reported 3 Clay-colored Sparrows. ---On August 23 at Sands Lake SWA, Rebecca Laroche and DFO field trip reported Common Goldeneye and Prothonotary Warbler. On August 26 at Sands Lake SWA, Sally Waterhouse reported Common Goldeneye. CLEAR CREEK COUNTY: ---On August 26 at Empire Bard Creek Wetland, Bruce Snyder reported Northern Parula. CONEJOS COUNTY: ---On August 22 at Sego Springs SWA, east of Manassa, John Rawinski reported 6 Sagebrush Sparrows and Rock Wrens. CUSTER COUNTY: ---On August 24 at DeWeese Reservoir, David Tonnessen reported Williamson’s Sapsucker, Eastern Phoebe, 45 Pinyon Jay, 4 Blue-gray Gnatcatcher, 2 Red Crossbills, Clay-colored Sparrow, Orange-crowned (Gray-headed) Warbler. DENVER COUNTY: ---On August 21 at Two Cats on Vine, Judith Henderson reported Woodhouse’s Scrub-Jay. ---On August 26 at First Creek at DEN OS, John Breitsch reported Woodhouse’s Scrub-Jay. DOUGLAS COUNTY: ---On August 21 at Platte Canyon Reservoir, Nancy Davis reported Redhead. EL PASO COUNTY: ---On August 22 at Clear Spring Ranch, Steve Brown banded American Redstart (juv m) and Least Flycatcher (ad f). On August 24 at Clear Spring Ranch, Steve Brown 2 ad Northern Waterthrush. On August 25 at Clear Spring Rnach, Steve Brown reported Mississippi Kite. ---On August 22 at Kison Meadows Court, David Tonnessen reported 2 Mountain Chickadees. ---On August 23 at Chico Basin Ranch, John Drummond reported Willow Flycatcher, Gray Flycatcher, Dusky Flycatcher, and Curve-billed Thrasher. On August 24 at Chico Basin Ranch, Alan Ketcham reported Willow Flycatcher, Least Flycatcher, Cassin’s Vireo, Curve-billed Thrasher. On August 26 at Chico Basin Ranch, Jim Merritt and David Tonnessen reported 3 Ladder-backed Woodpeckers, Olive-sided Woodpecker, Least Flycatcher, Hammond’s Flycatcher, 2 Dusky Flycatchers, Cassin’s Vireo, Red-eyed Vireo, 2 Curve-billed Thrashers, 6 Brown Thrashers, 5 Sage Thrashers, and f CANADA WARBLER near banding building. ---On August 24 at Sinton Pond OS, David Tonnessen reported 4 Bushtits. ---On August 24 Birdsall Road, Terence Berger reported 2 Solitary Sandpiper and Curve-billed Thrasher. ---On August 25 at Hanover Fire Station, Mel and Jeanne Goff reported Curve-billed Thrasher and Sage Thrasher. ---On August 25 at Hanover Road, Gloria Nikolai reported 2 Curve-billed Thrashers an d 2 Clay-colored Sparrow. ---On August 26 at Kettle Lakes, David Tonnessen reported Cassin’s Kingbird, 5 Woodhouse’s Scrub-Jay, 4 Mountain Chickadee, 14 Bushtit, 7 Blue-gray Gnatcatcher, and Sage Thrasher. GUNNISON COUNTY: ---On August 23 at McCabes Lane Wetland, Ben Hulsey reported 2 Wood Ducks, 2 Solitary Sandpipers. HUERFANO COUNTY: ---On August 24 at Lathrop SP Lake Oehm, Brent Thompson reported 14 White-faced Ibis, and 2 Bushstit. JEFFERSON COUNTY: ---On August 21 at Newton Park in Conifer, Myron Gerhard and Mark Chavez reported 3 Red Crossbills and Black-and-white Warbler. ---On August 23 at Bear Creek Lake Park, Reed Gorner reported 2 Red-necked Phalarope. KIOWA COUNTY: ---On August 21 at Neenoshe Reservoir, Kathy Mihm Dunning and Tony Leukering reported Lesser Black-backed Gull. On August 25 at Neenoshe Reservoir, Steve Mlodinow reported Lesser Scaup, NEOTROPIC CORMORANT ad, se pond, Lesser Black-backed Gull, 6 Red-headed Woodpeckers, Willow Flycatcher. ---On August 25 at Upper Queens/Neeshkah Reservoir, Steve Mlodinow reported Eastern Phoebe, Red-eyed Vireo, Yellow-breasted Chat, Carolina Wren, 2 Marbled Godwit, Short-billed Dowitcher, red-headed Woodpecker, 3 Least Flycatcher, 2 Great Crested Flycatcher, Blue-gray Gnatcatcher, 7 Clay-colored Sparrows. KIT CARSON COUNTY: ---On August 22 at Flagler Reservoir SWA below dam, Norm Erthal reported Philadelphia Vireo, Red-headed Woodpecker, and Least Flycatcher; David Tonnessen reported 2 Red-headed Woodpeckers, 2 Least Flycatchers, and Eastern Warbling Vireo; Glenn Walbek reported YELLOW-BELLIED FLYCATCHER. On August 23 at Flagler Reservoir SWA below dam, Glenn Walbek reported ad YELLOW-BELLIED FLYCATCHER. ON August 26 at Flagler Reservoir SWA, Steve Rash reported 8 LESSER NIGHTHAWKS. LA PLATA COUNTY: ---On August 21 at Pastorius Reservoir, David Dunford and Susan Allerton reported Willet and 3 Woodhouses’s Scrub-Jay. ---On August 21 on River Trail behind high school in Durango, Ryan Votta reported Eastern Kingbird. ---On August 24 Animas River Huck Finn Pond and Hatchery Area, Riley Morris reported Red-eyed Vireo. On August 26 on Animas River Huck Finn Ponds and Hatchery Area, Jim Beatty reported Red-eyed Vireo and Northern Waterthrush. ---On August 24 at Animas River – E 32nd St vicinity, Durango, Jim Beatty reported Northern Waterthrush. LARIMER COUNTY: ---On August 22 at Timnath Reservoir, Josh Bruening reported 5 Caspian Terns; Nick Komar and Nick Jr, reported Greater White-fronted Goose, Marbled Godwit, 2 Lesser Black-backed Gulls (1 ad, 1 2nd-cyc), and 2 Caspian Terns. ---On August 22 at Kilpecker Trail, Joel Adams reported 2 Red Crossbill. ---On August 24 at Bobcat Ridge NA, Denise Bretting reported 3 Woodhouse’s Scrub-Jay, 5 Blue-gray Gnatcatcher, and Gray Flycatcher. ---On August 24 at Arapahoe Bend NA Rigden Reservoir (Strauss Cabin Lake), David Wade reported Red-eyed Vireo. On August 25 at Arapahoe Bend NA, Nick Komar and Jay Breidt reported Red-eyed Vireo. ---On August 25 at Kechter Pit wetland, Nick Komar reported Caspian Tern. ---On August 26 at Environmental Learning Center, Jay Breidt reported Gray Flycatcher and 2 Townsend’s Warblers; Nick Komar and Danny Montalvo reported Merlin and Townsend’s Warbler. ---On August 26 at Wellington SWA—Cobb Lake Unit, Andy Bankert and Caroline Olson reported Lesser Black-backed Gull, Willow Flycatcher, Dusky Flycatcher, and Townsend’s Warbler. LOGAN COUNTY: ---On August 25 at Prewitt Reservoir, Holden Maxfield, Jack and Ryan Bushong reported 2 Red-headed Woodpeckers, Willow Flycatchers, Cordilleran Flycatcher, and 4 Blue-gray Gnatcatchers. MESA COUNTY: ---On August 22 at Horsethief Canyon SWA, Mike Henwood reported 2 Cordilleran Flycatchers, Black Phoebe, Woodhouse’s Scrub-Jay and 12 Blue-gray Gnatcatchers. MONTROSE COUNTY: ---On August 25 on Old Hwy 90 through Silver Hawk Ranch, Coen Dexter and Brenda Wright reported Black Phoebe, 41 Pinyon Jay, 11 Woodhouse’s Scrub-Jay, 47 Bushtit, 4 Blue-gray Gnatcatcher, and Indigo Bunting. OTERO COUNTY: ---On August 21 at Higbee Valley Road at Vogel Canyon, Kathy Mihm Dunning, Scott Somershoe, and Tony Leukering reported 3 Greater Roadrunner, 2 Upland Sandpipers (flyover), 11 Red-headed Woodpecker, Ladder-backed Woodpecker, 5 Eastern Phoebe, pair of Vermilion Flycatcher, Blue-gray Gnatcatcher, 5 Eastern Bluebirds, 2 Rufous-crowned Sparrows, and f-type Summer Tanager. On August 23 at Higbee Valley Road (CR 804), Tyler Stewart reported Greater Roadrunner, 6 Red-headed Woodpecker, Ladder-backed Woodpecker, Vermilion Flycatchers (m, f, 1-2 juv), 2 Chihuahuan Ravens, Curve-billed Thrasher, Black-throated Sparrow, 2 Rufous-crowned Sparrows. On August 25 at Higbee Valley Road (CR 804), Dean Shoup reported 5 Red-headed Woodpeckers, Ladder-backed Woodpekcer, 2 Eastern Phoebe, Woodhouse’s Scrub-Jay, Chihuahuan Raven, Curve-billed Thrasher, 2 Rufous-crowned Sparrow, pair of Summer Tanagers. PARK COUNTY: ---On August 23 on 13959 – 14144 S Wandcrest Drive in Pine, Diane Roberts reported Virginia’s Warbler. ---On August 26 at Antero Reservoir, Alan Versaw reported Semipalmated Sandpiper. PITKIN COUNTY: ---On August 23 at Aspen Center for Environmental Studies, Catherine Hagen reported Eastern Kingbird. PROWERS COUNTY: ---On August 26 in Lamar on S 13th St., Dorothy Russell reported m Baltimore Oriole. ---On August 23 at Arkansas River and US 50 crossing, Jane Stulp reported Tundra Swan and White-rumped Sandpiper. PUEBLO COUNTY: ---On August 23 at Chico Basin Ranch, John Drummond reported 2 Red-headed Woodpeckers, Ladder-backed Woodpecker, Olive-sided Flycatcher, Willow Flycatcher, Least Flycatcher, Dusky Flycatcher, Cassin’s Vireo, 2 Blue-gray Gnatcatchers, Black-and-white Warbler (ad f), Townsend’s Warbler (ad m). ROUTT COUNTY: ---On August 24 at 4559 – 4921 Hwy 40, Michael San Miguel reported 2 White-faced Ibis. ---On August 25 at CR 14 at Sydney Park Horse Barn, Tom Litteral reported 7-8 Purple Martins. SAGUACHE COUNTY: ---On August 24 Russell Lakes SWA, Rachel Laroche and DFO field trip reported 3 American Bittern, 2 Great Egret, 3 Snowy Egret, 7 Cattle egret, Purple Martin, 7 Marsh Wren, and 4 Clay-colored Sparrow. SAN JUAN COUNTY: ---On August 23 in Silverton, Lori Nixon reported Virginia’s Warbler. SAN MIGUEL COUNTY: ---On August 21 on Summit St in Norwood, Coen Dexter reported 2 Eastern Kingbird. ---On August 22 at Trout Lake, Eric Hynes reported Great Egret. On August 23 at Trout Lake, George Steele reported Great Egret. SUMMIT COUNTY: ---On August 26 Lake Dillon Soda Creek Inlet, Bea Weaver reported Cackling Goose. WASHINGTON COUNTY: ---On August 21 at Prewitt Reservoir – Inlet Canal, Doug Faulkner reported Marbled Godwit, 8 Stilt Sandpipers, 8 Sanderling, Buff-breasted Sandpiper, 16 Pectoral Sandpipers, and 17 Black Tern. On August 22 Norm Erthal reported Marbled Godwit, 5 Stilt Sandpipers, 3 Sanderling, 8 Pectoral Sandpipers, 8 Black Tern and juv Red Knot; David Suddjian and his DFO field trip reported Red Knot, Marbled Godwit, 12 Stilt Sandpipers, 6 Sanderling, 14 Pectoral Sandpipers, Herring Gull, 12 Black Tern, Red-headed Woodpecker, and 2 Hairy Woodpeckers. On August 23 at Prewitt Reservoir, John Vanderpoel reported Long-billed Curlew, Marbled Godwit, Stilt Sandpiper, Black Tern, Common Tern and Merlin; Chuck Hundertmark reported Long-billed Curlew and 3 Pectoral Sandpipers. On August 25 at Prewitt Reservoir, Jonell Balais, Bruce Cyganowski, Norm Lewis, Holden Maxfield, Jack and Ryan Bushong reported Horned Grebe, Black-bellied Plover, Long-billed Curlew, Marbled Godwit, Red Knot, 6 Pectoral Sandpipers, Caspian Tern, Red-eyed Vireo, 6 Blue-gray Gnatcatcher. On August 26 at Prewitt Reservoir, Joey Kellner and his DFO Field Trip and Steve Rash, reported Long-billed Curlew, Red Knot, 2 Stilt Sandpipers, 14 Pectoral Sandpipers, Herring Gull, and 48 Black Tern. WELD COUNTY: ---On August 21 at Union Reservoir, Steve Mlodinow reported 10 Marsh Wren. ---On August 21 at Loloff Reservoir, Gwen Moore reported Stilit Sandpiper, Greater Yellowlegs, and Lesser Yellowlegs. ---On August 21 at Crow Valley CG, Amy Darling reported Chestnut-sided Warbler. YUMA COUNTY: ---On August 24 at Stalker Lake w of Wray, Joey Kellner and Kathy Mihm Dunning reported 2 YELLOW-CROWNED NIGHT-HERONS, 3 Red-headed Woodpecker, Great Crested Flycatcher, Clay-colored Sparrow, Field Sparrow, 3 Northern Cardinal. On August 25 at Stalker Lake SWA, Gary Witt reported 2 YELLOW-CROWNED NIGHT-HERONS, Red-headed Woodpecker and 2 Northern Cardinal. On August 26 at Stalker Lake SWA, Steve Rash reported YELLOW-CROWNED NIGHT-HERON and Blackburnian Warbler. DFO Field Trips See DFO website for more information: Southeastern Colorado Monday, August 27 – Tuesday August 28 7:00 AM – 12:07 PM David Suddjian (dsuddjian AT gmail.com; 831-713-8659) This trip is FULL. Ken Caryl Valley Area Saturday, September 1 6:30 PM – 8:30 PM David Suddjian (dsuddjian AT gmail.com; 831-713-8659) This Trip is FULL Good Birding, Joyce Takamine Boulder -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. 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